From a6149c09c96d2afdc73ff77f58d14f1e8946b1c6 Mon Sep 17 00:00:00 2001 From: Daein Moon Date: Tue, 26 Oct 2010 08:40:08 +0900 Subject: ARM: SAMSUNG: Add the missed s3c_gpio_getpull() API This patch adds the s3c_gpio_getpull() API that has been missed in the plat-samsung/gpio-config.c and actullay there is its extern declaration in plat/gpio-cfg.h. Signed-off-by: Daein Moon Cc: Ben Dooks Signed-off-by: Kukjin Kim --- arch/arm/plat-samsung/gpio-config.c | 19 +++++++++++++++++++ arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h | 6 ++++++ 2 files changed, 25 insertions(+) (limited to 'arch/arm') diff --git a/arch/arm/plat-samsung/gpio-config.c b/arch/arm/plat-samsung/gpio-config.c index 8a372110a85..b732b773b9a 100644 --- a/arch/arm/plat-samsung/gpio-config.c +++ b/arch/arm/plat-samsung/gpio-config.c @@ -111,6 +111,25 @@ int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull) } EXPORT_SYMBOL(s3c_gpio_setpull); +s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin) +{ + struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); + unsigned long flags; + int offset; + u32 pup = 0; + + if (chip) { + offset = pin - chip->chip.base; + + s3c_gpio_lock(chip, flags); + pup = s3c_gpio_do_getpull(chip, offset); + s3c_gpio_unlock(chip, flags); + } + + return (__force s3c_gpio_pull_t)pup; +} +EXPORT_SYMBOL(s3c_gpio_getpull); + #ifdef CONFIG_S3C_GPIO_CFG_S3C24XX int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip, unsigned int off, unsigned int cfg) diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h index 3e21c75feef..8fd65d8b586 100644 --- a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h +++ b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h @@ -42,6 +42,12 @@ static inline int s3c_gpio_do_setpull(struct s3c_gpio_chip *chip, return (chip->config->set_pull)(chip, off, pull); } +static inline s3c_gpio_pull_t s3c_gpio_do_getpull(struct s3c_gpio_chip *chip, + unsigned int off) +{ + return chip->config->get_pull(chip, off); +} + /** * s3c_gpio_setcfg_s3c24xx - S3C24XX style GPIO configuration. * @chip: The gpio chip that is being configured. -- cgit v1.2.3-70-g09d2